body{color: rgb(255, 127, 168);
}
header {
    grid-column: 1 / 3;
    grid-row: 10;
  }
  
  article {
    grid-column: 20;
    grid-row: 20;
  }
  
  aside {
    grid-column: 1;
    grid-row: 2;
  }
  
  footer {
    grid-column: 1 / 3;.grid-contai
  }
  .grid-container div:nth-child(1)
  
  
  .grid-item {
    background-color: white;
    padding: 20px;
    text-align: center;
    border: 1px solid #ccc;
.container {
  display: grid;
  content: "galeria con grid-template-columna";
  position: absolute;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 100px;
  grid-gap: 20px;
}
.container ::before{
    display: grid;
    content: "galeria con grid-template-area";grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 100px;
    grid-gap: 20px;
}
.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(100px, auto);
    grid-gap: 20px;}
    gri